The 1820 Capped Bust Quarter is a collectible coin from the United States, minted in Philadelphia. It features a design by John Reich, characterized by the depiction of Liberty wearing a capped hairstyle. The coin has a diameter of 24.26 mm and is made of 90% silver. As part of the Capped Bust series, it represents an important era in American numismatic history. The value of these coins can vary significantly based on factors such as condition, rarity, and market demand.